US8810219B2 - Voltage regulator with transient response - Google Patents

Voltage regulator with transient response Download PDF

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Publication number
US8810219B2
US8810219B2 US13/606,722 US201213606722A US8810219B2 US 8810219 B2 US8810219 B2 US 8810219B2 US 201213606722 A US201213606722 A US 201213606722A US 8810219 B2 US8810219 B2 US 8810219B2
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mos transistor
output
voltage regulator
voltage
terminal
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US13/606,722
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US20130069607A1 (en
Inventor
Teruo Suzuki
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Ablic Inc
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Seiko Instruments Inc
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Assigned to SII SEMICONDUCTOR CORPORATION . reassignment SII SEMICONDUCTOR CORPORATION . ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SEIKO INSTRUMENTS INC
Assigned to SII SEMICONDUCTOR CORPORATION reassignment SII SEMICONDUCTOR CORPORATION CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE PREVIOUSLY RECORDED AT REEL: 037783 FRAME: 0166. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: SEIKO INSTRUMENTS INC
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only

Definitions

  • a reference voltage circuit 110 generates a reference voltage Vref.
  • Bleeder resistors 111 and 112 divide the output voltage Vout of the output terminal 16 to generate a feedback voltage Vfb.
  • the reference voltage Vref and the feedback voltage Vfb are input to an input terminal of a differential amplifier 120 .
  • An output voltage of the differential amplifier 120 is input to a gate terminal of a MOS transistor 123 which constitutes a first source ground amplifier circuit.
  • the MOS transistor 123 has a source terminal connected to the input terminal 15 and a drain terminal connected to a constant current source 124 , a resistor 121 , and a capacitor 122 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
US13/606,722 2011-09-15 2012-09-07 Voltage regulator with transient response Active 2033-04-20 US8810219B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011-201444 2011-09-15
JP2011201444 2011-09-15
JP2012-156619 2012-07-12
JP2012156619A JP6038516B2 (ja) 2011-09-15 2012-07-12 ボルテージレギュレータ

Publications (2)

Publication Number Publication Date
US20130069607A1 US20130069607A1 (en) 2013-03-21
US8810219B2 true US8810219B2 (en) 2014-08-19

Family

ID=47880066

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/606,722 Active 2033-04-20 US8810219B2 (en) 2011-09-15 2012-09-07 Voltage regulator with transient response

Country Status (5)

Country Link
US (1) US8810219B2 (ko)
JP (1) JP6038516B2 (ko)
KR (1) KR101939845B1 (ko)
CN (1) CN102999075B (ko)
TW (1) TWI534582B (ko)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9933798B2 (en) * 2016-01-15 2018-04-03 Sii Semiconductor Corporation Voltage regulator
US10048717B1 (en) 2017-08-17 2018-08-14 Powerchip Technology Corporation Voltage regulation device capable of stabilizing output voltage
US10191503B2 (en) 2017-04-25 2019-01-29 Kabushiki Kaisha Toshiba Linear regulator with reduced oscillation
US11063582B2 (en) * 2019-08-27 2021-07-13 Kabushiki Kaisha Toshiba Current detection circuit
US11480985B2 (en) 2021-01-21 2022-10-25 Qualcomm Incorporated Low-power voltage regulator with fast transient response

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9229464B2 (en) * 2013-07-31 2016-01-05 Em Microelectronic-Marin S.A. Low drop-out voltage regulator
JP6316632B2 (ja) * 2014-03-25 2018-04-25 エイブリック株式会社 ボルテージレギュレータ
CN105446403A (zh) 2014-08-14 2016-03-30 登丰微电子股份有限公司 低压差线性稳压器
JP6416638B2 (ja) * 2015-01-21 2018-10-31 エイブリック株式会社 ボルテージレギュレータ
JP6884472B2 (ja) 2017-08-10 2021-06-09 エイブリック株式会社 ボルテージレギュレータ
JP6951305B2 (ja) * 2018-08-24 2021-10-20 株式会社東芝 定電圧回路
CN109976439A (zh) * 2019-04-29 2019-07-05 苏州市职业大学 高效率可多路均流的恒流源电路
CN110221647B (zh) * 2019-06-28 2020-09-08 上海视欧光电科技有限公司 一种稳压器
FR3102581B1 (fr) * 2019-10-23 2021-10-22 St Microelectronics Rousset Régulateur de tension
US11347248B2 (en) * 2020-07-10 2022-05-31 Semiconductor Components Industries, Llc Voltage regulator having circuitry responsive to load transients
JP7391791B2 (ja) * 2020-08-12 2023-12-05 株式会社東芝 定電圧回路
US11157028B1 (en) * 2020-11-17 2021-10-26 Centaur Technology, Inc. Fast precision droop detector
CN115167600B (zh) * 2022-07-29 2023-07-11 西安微电子技术研究所 一种抗输出电压瞬态过冲的低压差线性稳压器电路

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808907A (en) * 1988-05-17 1989-02-28 Motorola, Inc. Current regulator and method
US5686820A (en) * 1995-06-15 1997-11-11 International Business Machines Corporation Voltage regulator with a minimal input voltage requirement
US5852359A (en) * 1995-09-29 1998-12-22 Stmicroelectronics, Inc. Voltage regulator with load pole stabilization
US6218819B1 (en) * 1998-09-30 2001-04-17 Stmicroelectronics S.A. Voltage regulation device having a differential amplifier coupled to a switching transistor
US6377033B2 (en) * 2000-08-07 2002-04-23 Asustek Computer Inc. Linear regulator capable of sinking current
US6441594B1 (en) * 2001-04-27 2002-08-27 Motorola Inc. Low power voltage regulator with improved on-chip noise isolation
US6674273B2 (en) * 2002-02-15 2004-01-06 Motorola, Inc. Filtering circuit and battery protection circuit using same
US20050162141A1 (en) 2004-01-28 2005-07-28 Yoshihide Kanakubo Voltage regulator
US7199566B2 (en) * 2004-07-05 2007-04-03 Seiko Instruments Inc. Voltage regulator
US7646188B2 (en) * 2007-02-17 2010-01-12 Seiko Instruments Inc. Voltage regulator for generating constant output voltage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001282372A (ja) * 2000-03-31 2001-10-12 Seiko Instruments Inc レギュレータ
JP2004062374A (ja) * 2002-07-26 2004-02-26 Seiko Instruments Inc ボルテージ・レギュレータ
JP4217497B2 (ja) * 2003-02-05 2009-02-04 株式会社リコー 定電圧回路
JP4443301B2 (ja) * 2004-05-17 2010-03-31 セイコーインスツル株式会社 ボルテージ・レギュレータ
JP4527592B2 (ja) * 2005-04-18 2010-08-18 株式会社リコー 定電圧電源回路
JP2008026947A (ja) 2006-07-18 2008-02-07 Seiko Instruments Inc ボルテージレギュレータ
TWI332134B (en) * 2006-12-28 2010-10-21 Ind Tech Res Inst Adaptive pole and zero & pole zero cancellation control low drop-out voltage regulator
JP5369749B2 (ja) 2009-02-20 2013-12-18 株式会社リコー 定電圧回路
JP2011013726A (ja) * 2009-06-30 2011-01-20 Ricoh Co Ltd 定電圧回路

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808907A (en) * 1988-05-17 1989-02-28 Motorola, Inc. Current regulator and method
US5686820A (en) * 1995-06-15 1997-11-11 International Business Machines Corporation Voltage regulator with a minimal input voltage requirement
US5852359A (en) * 1995-09-29 1998-12-22 Stmicroelectronics, Inc. Voltage regulator with load pole stabilization
US6218819B1 (en) * 1998-09-30 2001-04-17 Stmicroelectronics S.A. Voltage regulation device having a differential amplifier coupled to a switching transistor
US6377033B2 (en) * 2000-08-07 2002-04-23 Asustek Computer Inc. Linear regulator capable of sinking current
US6441594B1 (en) * 2001-04-27 2002-08-27 Motorola Inc. Low power voltage regulator with improved on-chip noise isolation
US6674273B2 (en) * 2002-02-15 2004-01-06 Motorola, Inc. Filtering circuit and battery protection circuit using same
US20050162141A1 (en) 2004-01-28 2005-07-28 Yoshihide Kanakubo Voltage regulator
US7068018B2 (en) * 2004-01-28 2006-06-27 Seiko Instruments Inc. Voltage regulator with phase compensation
US7199566B2 (en) * 2004-07-05 2007-04-03 Seiko Instruments Inc. Voltage regulator
US7646188B2 (en) * 2007-02-17 2010-01-12 Seiko Instruments Inc. Voltage regulator for generating constant output voltage

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9933798B2 (en) * 2016-01-15 2018-04-03 Sii Semiconductor Corporation Voltage regulator
TWI694322B (zh) * 2016-01-15 2020-05-21 日商艾普凌科有限公司 電壓調整器
US10191503B2 (en) 2017-04-25 2019-01-29 Kabushiki Kaisha Toshiba Linear regulator with reduced oscillation
US10048717B1 (en) 2017-08-17 2018-08-14 Powerchip Technology Corporation Voltage regulation device capable of stabilizing output voltage
TWI633408B (zh) * 2017-08-17 2018-08-21 力晶科技股份有限公司 穩壓輸出裝置
US11063582B2 (en) * 2019-08-27 2021-07-13 Kabushiki Kaisha Toshiba Current detection circuit
US11569810B2 (en) 2019-08-27 2023-01-31 Kabushiki Kaisha Toshiba Current detection circuit
US11838008B2 (en) 2019-08-27 2023-12-05 Kabushiki Kaisha Toshiba Current detection circuit
US11480985B2 (en) 2021-01-21 2022-10-25 Qualcomm Incorporated Low-power voltage regulator with fast transient response

Also Published As

Publication number Publication date
JP6038516B2 (ja) 2016-12-07
KR101939845B1 (ko) 2019-01-17
TW201321922A (zh) 2013-06-01
JP2013077288A (ja) 2013-04-25
CN102999075B (zh) 2016-06-29
CN102999075A (zh) 2013-03-27
US20130069607A1 (en) 2013-03-21
KR20130029728A (ko) 2013-03-25
TWI534582B (zh) 2016-05-21

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